27 lines
783 B
Python
27 lines
783 B
Python
|
"""Git utilities, adopted from mypy's git utilities (https://github.com/python/mypy/blob/master/mypy/git.py)."""
|
||
|
|
from __future__ import annotations
|
||
|
|
|
||
|
|
import os
|
||
|
|
import subprocess
|
||
|
|
|
||
|
|
|
||
|
|
def is_git_repo(dir: str) -> bool:
|
||
|
|
"""Is the given directory version-controlled with git?"""
|
||
|
|
return os.path.exists(os.path.join(dir, '.git'))
|
||
|
|
|
||
|
|
|
||
|
|
def have_git() -> bool:
|
||
|
|
"""Can we run the git executable?"""
|
||
|
|
try:
|
||
|
|
subprocess.check_output(['git', '--help'])
|
||
|
|
return True
|
||
|
|
except subprocess.CalledProcessError:
|
||
|
|
return False
|
||
|
|
except OSError:
|
||
|
|
return False
|
||
|
|
|
||
|
|
|
||
|
|
def git_revision(dir: str) -> str:
|
||
|
|
"""Get the SHA-1 of the HEAD of a git repository."""
|
||
|
|
return subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD'], cwd=dir).decode('utf-8').strip()
|